Home / 1,409,810.90-1,945,486.58-765,217.22

Finding the Fourth Proportional to 1,409,810.90, 1,945,486.58 and 765,217.22

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Solution

The fourth proportional to 1,409,810.90, 1,945,486.58 and 765,217.22 is: 1,055,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,810.90 : 1,945,486.58 = 765,217.22 : x
  2. Step 2: Convert to fraction form
    1,409,810.90/1,945,486.58 = 765,217.22/x
  3. Step 3: Cross multiply
    1,409,810.90x = 1,945,486.58 × 765,217.22
  4. Step 4: Simplify right side
    1,409,810.90x = 1,488,719,832,294.91
  5. Step 5: Solve for x
    x = 1,488,719,832,294.91/1,409,810.90
  6. Step 6: Final answer
    x = 1,055,971.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.